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Scaling Relations of Supersonic Turbulence in Molecular Clouds |
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| Authors: | S. Boldyrev P. Padoan R. Jimenez Å. Nordlund |
| Affiliation: | 1. Department of Asronomy and Astrophysics, University of Chicago, Chicago, IL, 60637, USA 2. Department of Physics, University of California at San Diego, San Diego, CA, 92093, USA 3. Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA, 19104, USA 4. Copenhagen Astron. Observatory and Theor. Astrophys. Center, DK-2100, Copenhagen, Denmark |
| Abstract: | We discuss a model for driven supersonic, super-Alfvénic MHD turbulence that is believed to govern the structure of molecular clouds. Such turbulence is highly intermittent; we describe its statistical properties by obtaining scaling of velocity-difference structure functions. This scaling was analytically predicted in Boldyrev (2002), confirmed in numerical simulations by Boldyrev et al. (2002), and discovered in observations by Padoan et al. (2003). |
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